Highly oriented polyolefin fibre

Details Highly oriented polyolefin fibre Highly oriented polyolefin fibre

D - Textiles, Paper

01

F

D01F 6/04 (2006.01) D01D 5/06 (2006.01) D07B 1/02 (2006.01)

Patent

CA 2348518

The invention relates to a highly oriented polyolefin fibre containing polyolefin with an intrinsic viscosity of at least 5 dl/g, which fibre has a tensile strength of at least 26 cN/dtex and a modulus of tension of at least 700 cN/dtex, a process for the preparation thereof and the use in ropes or anti-ballistic shaped articles. The invention also relates to improved ropes and anti-ballistic shaped articles. The highly oriented polyolefin fibre according to the invention has improved properties in applications such as, in particular, anti-ballistic shaped articles since the fibre contains 0.05 - 5 wt.% of a solvent for the polyolefin (relative to the total fibre weight).

L'invention porte: sur des fibres fortement orientées de polyoléfine d'une viscosité intrinsèque d'au moins 5 dl/g, d'une résistance à la traction d'au moins 26 cN/dtex, et d'un module de tension de 700 cN/dtex, sur leur procédé d'élaboration, et sur leur utilisation pour la fabrication de câbles et d'articles anti-balistiques moulés. L'invention porte également sur lesdits câbles et articles anti-balistiques. Ces fibres fortement orientées présentent des propriétés améliorées dans des applications telles que des articles anti-balistiques moulés, car lesdites fibres contiennent de 0,05 à 5 % de leur poids total d'un solvant de la polyoléfine.

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